soap_fault_spec.rb: Added some specs saying that the SOAPFault class should be able to handle it if the nori parser is configured to convert tag names to hash keys in a non-default way.
Add a #servicename method hooked on Wasabi::Document#servicename.
Can be overridden by global options.
Merge branch 'new_soap_fault_spec' of git://github.com/DavidEGrayson/savon into DavidEGrayson-new_soap_fault_spec
fixed SOAPFault hash key access. closes #393
Merge branch 'servicename' of git://github.com/keltia/savon into keltia-servicename
integrated the #service_name method. closes #408
updated the changelog [ci skip]
preparing v2.2.0
updated the readme [ci skip]